Home / 63,158.90-87,159.08-34,864.38

Finding the Fourth Proportional to 63,158.90, 87,159.08 and 34,864.38

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Solution

The fourth proportional to 63,158.90, 87,159.08 and 34,864.38 is: 48,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.90 : 87,159.08 = 34,864.38 : x
  2. Step 2: Convert to fraction form
    63,158.90/87,159.08 = 34,864.38/x
  3. Step 3: Cross multiply
    63,158.90x = 87,159.08 × 34,864.38
  4. Step 4: Simplify right side
    63,158.90x = 3,038,747,285.57
  5. Step 5: Solve for x
    x = 3,038,747,285.57/63,158.90
  6. Step 6: Final answer
    x = 48,112.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.